package com.wxg.service;

import com.wxg.common.core.dao.mysql.website.User;

/**
 * Created by void on 2019/6/12.
 */
public interface UserService {

    /**
     * 通过用户名查询
     * @param userName
     * @return
     */
    User queryByUserName(String userName);

    /**
     * 事务测试
     */
    void tranTest();
}
